Home Water Conservation
From cleaning dishes, taking showers, and flushing toilets, our daily tasks add up and can result in many gallons of water being used every month. Conserving water starts in the home and will not only help to lower utility costs but will also assist in the reduction of pollutants and trash entering our environment.
Downspout Filters
As part of the Action Plan for Retrofitting Structural BMPs DOT-HWYS recently installed downspout filters under the H-1 viaduct at the Pearl City Baseyard. These downspout filters capture trash and sediment and also contain an oil boom that reduces oil and grease from roadway storm water runoff.
Construction BMP Tip: Mulching
During construction, ground disturbing activities often result in areas of exposed soils susceptible to erosion. If a prolonged period of time is expected where construction activity will cease or construction activities are complete, stabilizing disturbed areas is needed. Mulching is a best management practice (BMP) that can provide either temporary or permanent stabilization to prevent erosion…
2017 Protect Our Water Conference
The State of Hawaii Department of Transportation (DOT) welcomed approximately 400 at its Annual Protect Our Water Conference at the Pōmaika‘i Ballrooms. A collaboration between the DOT Highways, Airports, and Harbors Divisions, the conference focused on implementing Best Management Practices on construction projects to prevent storm water pollution, and featured various local and mainland…
Common Storm Water Terms and Definitions
If you’ve ever read an article about the storm drain system and wondered about some of the terms commonly used to describe it, then you’re in luck — we have your answers here!
Common Storm Water Pollutants
We hear all the time about the different pollutants that can flow into the storm drain system, and then to our ocean waters. But what are the most common storm water pollutants, and how do they adversely affect the environment? Here’s a quick reminder of all the damage pollutants can do
Storm Water Hawaii Exhibit’s New Home at Sea Life Park
Thanks to a partnership with Sea Life Park, the State of Hawaii Department of Transportation, Highways Division, Oahu District’s Storm Water Management Program was able to place illustrated posters at the Touch Pool attraction in 2014 that described the process by which storm water made its way to the ocean, and how trash, chemicals, and other pollutants can harm the environment and wildlife.
Construction BMPs for Protecting Stockpiles
Is your stockpile protected? Stockpiling material on construction sites is almost always needed at some point during the life of a project, so proper planning is needed to ensure that adequate best management practices (BMPs) are in place to prevent stockpiled material from polluting storm water.
Ala Wai Watershed Storm Water Best Management Practices on Oahu Project
In order to keep roadways safe for driving, they are designed and constructed to allow storm water runoff to drain quickly and efficiently to the road shoulder.
Liliha Street Rehabilitation Project
The State of Hawaii, Department of Transportation, Highways Division, Oahu District has numerous roadway construction projects going on at any given time that vary in size and complexity.